diff -rup a/entityreference_feeds.module b/entityreference_feeds.module
--- a/entityreference_feeds.module	2014-03-04 12:15:20.000000000 +0100
+++ b/entityreference_feeds.module	2014-06-16 19:44:29.000000000 +0200
@@ -213,6 +213,9 @@ function entityreference_feeds_feeds_set
     if ($target_callback !== 'entityreference_feeds' && function_exists($target_callback)) {
       //$real_target = isset($targets[$target]['real_target']) ? $targets[$target]['real_target'] : $target_target;
       //$bundle_items[$delta]['real_targets'][$real_target] = $real_target;
+      if($target_callback=='text_feeds_set_target') {
+        $target_value = is_array($target_value) ? $target_value : array($target_value);
+      }
       $target_callback($source, $target_entity, $target_target, $target_value, $mapping);
     }
     else {